The most common Precambrian fossils are_________ , layered mounds of calcium carbonate.
A)trilobites
B)prokaryotes
C)stromatolites
D)chert
E)none of the above

Question

Quizplus · Accepted Answer

The most common Precambrian fossils are stromatolites, which are layered mounds of calcium carbonate formed by the growth and trapping of prokaryotic organisms. Trilobites and chert are more commonly found in younger rock layers.

The Most Common Precambrian Fossils Are_________ , Layered Mounds of Calcium